Devel Digest, Vol 53, Issue 32

Tue Jul 13 12:15:43 EDT 2010

On Jul 13, 2010, at 12:00 PM, devel-request at lists.laptop.org wrote:

> Message: 7
> Date: Tue, 13 Jul 2010 10:22:27 -0400
> From: John Watlington <wad at laptop.org>
> Subject: Re: xo-1 os300 -- switch off mesh?
> To: Martin Langhoff <martin.langhoff at gmail.com>
> Cc: OLPC Devel <devel at lists.laptop.org>
> Message-ID: <BF830FD5-E690-4CD5-BD46-8BF368C18379 at laptop.org>
> Content-Type: text/plain; charset=us-ascii
>
>
> On Jul 12, 2010, at 11:03 PM, Martin Langhoff wrote:
>
>> On Mon, Jul 12, 2010 at 10:42 PM, Paul Fox <pgf at laptop.org> wrote:
>>>> Is there a way to tweak the os300 build so that it brings up the
>>>> Libertas device just as eth0 (and doesn't enable the 802.11s  
>>>> features
>>>> in the firmware)?
>>>
>>> was there a way to do that in 802?
>>
>> Good question -- no there wasn't.
>>
>> But the f11 builds for xo-1 only did 802.11b/g for a long time. I  
>> have
>> this silly assumption that there's a kmod to blacklist or a kmod
>> option to set/change to completely disable the 802.11s support.
>
> As far as I know, there is NO way to completely disable mesh
> support on XO-1 without holding the WLAN card in reset.
> Even if you don't support it at the OS level, the firmware will
> still behave badly if it receives a mesh broadcast packet.
>
> IIRC, we settled for trying to ensure that no mesh packets were
> ever broadcast, but if one did get sent, everyone would still
> help relay it.

Um, I think this should send a mesh stop command to the firmware.

echo 0 > /sys/class/net/eth1/lbs_mesh

From: http://dev.laptop.org/ticket/5144

Reuben
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